164475499 has 2 divisors, whose sum is σ = 164475500. Its totient is φ = 164475498.

The previous prime is 164475463. The next prime is 164475529. The reversal of 164475499 is 994574461.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164475499 is a prime.

It is not a weakly prime, because it can be changed into another prime (164475439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82237749 + 82237750.

It is an arithmetic number, because the mean of its divisors is an integer number (82237750).

Almost surely, 2^164475499 is an apocalyptic number.

164475499 is a deficient number, since it is larger than the sum of its proper divisors (1).

164475499 is an equidigital number, since it uses as much as digits as its factorization.

164475499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 49.

The square root of 164475499 is about 12824.8001543884. The cubic root of 164475499 is about 547.8988693537.

The spelling of 164475499 in words is "one hundred sixty-four million, four hundred seventy-five thousand, four hundred ninety-nine".